Older proofs of limitations of capability models assumed strict limits on them. This newer analysis notes that in practice, such models are augmented with additional software that augments the abilities of the capabilities. "Paradigm Regained: Abstraction Mechanisms for Access Control" at http://www.erights.org/talks/asian03/index.html See CapabilityMythsDemolished for context. The name is a pun on John Milton's ''Paradise Regained'', sequel to ''Paradise Lost''. ---- CategoryPaper CategorySecurity CategorySecurityModel ObjectCapabilityModel PrincipleOfLeastAuthority